Perspectives on Li and transition metal fluoride phosphates as cathode materials for a new generation of Li-ion batteriesстатья
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Дата последнего поиска статьи во внешних источниках: 12 января 2017 г.
Аннотация:To satisfy the needs of rapidly growing applications, Li-ion batteries require
further significant improvements of their key properties: specific energy and
power, cyclability, safety and costs. The first generation of cathode materials for
Li-ion batteries based on mixed oxides with either spinel or rock-salt derivatives
has already been widely commercialized, but the potential to improve the
performance of these materials further is almost exhausted. Li and transition
metal inorganic compounds containing different polyanions are now considered
as the most promising cathode materials for the next generation of Li-ion
batteries. Further advances in cathode materials are considered to lie in
combining different anions [such as (XO4)n! and F!] in the anion sublattice,
which is expected to enhance the specific energy and power of these materials.
This review focuses on recent advances related to the new class of cathode
materials for Li-ion batteries containing phosphate and fluoride anions. Special
attention is given to their crystal structures and the relationships between
structure and properties, which are important for their possible practical
applications.